Add 28/18 and 1/80
1st number: 1 10/18, 2nd number: 1/80
28/18 + 1/80 is 1129/720.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 18 × 40 = 720,
28/18 = 28 × 40/18 × 40 = 1120/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
1/80 = 1 × 9/80 × 9 = 9/720 - Add the two like fractions:
1120/720 + 9/720 = 1120 + 9/720 = 1129/720 - So, 28/18 + 1/80 = 1129/720
In mixed form: 1409/720
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